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Xuelu Zhang
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Wulumuqi, CN
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last 30 patents
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Patent Grant
Walking beam balanced span and moment regulating economized oil pum...
Patent number
6,450,050
Issue date
Sep 17, 2002
No. 3 Machine Tool Plant of the Xinjiang Uygur Autonomous Region
Renquan Luo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...